/**
 * Copyright 2010 Jonas Huckestein, jonas.huckestein@me.com, http://thezukunft.com
 * 
 * Permission is hereby granted, free of charge, to any person
 * obtaining a copy of this software and associated documentation
 * files (the "Software"), to deal in the Software without
 * restriction, including without limitation the rights to use,
 * copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following
 * conditions:
 * 
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 **/
package com.thezukunft.wave.connector;

import com.google.gwt.event.shared.GwtEvent;
import com.onetwopoll.gwt.framework.EventBus;

/**
 * Event fired whenever the height of the gadget's contents changes
 *  
 */
public class ModeChangeEvent extends GwtEvent<ModeChangeEventHandler> {

	public static final GwtEvent.Type<ModeChangeEventHandler> TYPE = new GwtEvent.Type<ModeChangeEventHandler>();

	protected int mode;

	public ModeChangeEvent(int mode) {
		this.mode = mode;
	}

	protected void dispatch(ModeChangeEventHandler handler) {
		handler.onUpdate(this);
	}

	public static ModeChangeEvent fire(EventBus source, int mode) {
		// If no handlers exist, then type can be null.
		if (TYPE != null) {
			final ModeChangeEvent event = new ModeChangeEvent(mode);
			source.fireEvent(event);
			return event;
		}
		return null;
	}

	@SuppressWarnings("unchecked")
	public Type<ModeChangeEventHandler> getAssociatedType() {
		return (Type) TYPE;
	}

}
